Quality assurance in the social- and educational sector – an empirical analysis to assess the actual situation of quality and educational controlling concerning the day nurseries of Berlin Child care has been getting never known public attention within the last years. Accordingly, the crucial question is whether, to what extent and in what way the introduction of quality and educational controlling is used in practice. The method used in this study is triangulation, which includes three parts: tQuality assurance in the social- and educational sector – an empirical analysis to assess the actual situation of quality and educational controlling concerning the day nurseries of Berlin Child care has been getting never known public attention within the last years. Accordingly, the crucial question is whether, to what extent and in what way the introduction of quality and educational controlling is used in practice. The method used in this study is triangulation, which includes three parts: the literary analysis, the qualitative investigation (interviews with ten bodies responsible for nursery schools and evaluation by content analysis) and the quantitative investigation (standardized interviews with 49 day nursery heads and evaluation by SPSS). This study comes to the following conclusions: - The sector of day nursery is fixed by several laws (federal laws, national/regional laws and educational plans). - The sector of day nursery can be described by a pluralism of quality, which has been systematized by the introduction of the Berliner Bildungsprogramm. - The sector of day nursery has changed in literature, society and practice because of the introduction of the Berliner Bildungsprogramm, which gives orientation and quality security. - This sector is located between the social and the educational sector. - The possibility of implementing the quality and the educational instruments depends on political general conditions. - The demand for better general conditions, like the improvement of the personnel key, can be established without exception.…